feat(templates): GetTemplateStubsAsync untracked identity/edge projection

src/ZB.MOM.WW.ScadaBridge.Commons/Interfaces/Repositories/ITemplateEngineRepository.cs

@@ -1,6 +1,7 @@
 using ZB.MOM.WW.ScadaBridge.Commons.Entities.Instances;
 using ZB.MOM.WW.ScadaBridge.Commons.Entities.Scripts;
 using ZB.MOM.WW.ScadaBridge.Commons.Entities.Templates;
+using ZB.MOM.WW.ScadaBridge.Commons.Types.Templates;
 
 namespace ZB.MOM.WW.ScadaBridge.Commons.Interfaces.Repositories;
 
@@ -55,6 +56,12 @@ public interface ITemplateEngineRepository
     /// <returns>A task that resolves to a read-only list of all templates without script bodies.</returns>
     Task<IReadOnlyList<Template>> GetAllTemplatesForAnalysisAsync(CancellationToken cancellationToken = default);
     /// <summary>
+    /// Returns an untracked identity/edge projection of every template (no children), ordered by name.
+    /// </summary>
+    /// <param name="cancellationToken">Cancellation token.</param>
+    /// <returns>A task that resolves to a read-only list of template stubs.</returns>
+    Task<IReadOnlyList<TemplateStub>> GetTemplateStubsAsync(CancellationToken cancellationToken = default);
+    /// <summary>
     /// Database-side paged listing of templates as row summaries (child
     /// collections reduced to counts, no script bodies). Backs the
     /// <c>ListTemplates</c> management command, which previously materialised

src/ZB.MOM.WW.ScadaBridge.Commons/Types/Templates/TemplateStub.cs

@@ -0,0 +1,19 @@
+namespace ZB.MOM.WW.ScadaBridge.Commons.Types.Templates;
+
+/// <summary>
+/// Lightweight template identity/edge projection (no attributes, alarms, scripts or compositions)
+/// for callers that only need names and the inheritance/folder/ownership edges.
+/// </summary>
+/// <param name="Id">Template ID.</param>
+/// <param name="Name">Template name.</param>
+/// <param name="ParentTemplateId">Base template, if any.</param>
+/// <param name="FolderId">Containing folder, if any.</param>
+/// <param name="IsDerived">True for auto-derived composition templates.</param>
+/// <param name="OwnerCompositionId">Owning composition row for derived templates.</param>
+public sealed record TemplateStub(
+    int Id,
+    string Name,
+    int? ParentTemplateId,
+    int? FolderId,
+    bool IsDerived,
+    int? OwnerCompositionId);